Talking about how to improve soil from the relationship between soil and microorganisms

1. The Necessity of Organic Matter

In the past five years, the hottest topic in the agricultural world has been soil problems - my country's chemical fertilizer utilization rate is not high, and the nitrogen fertilizer utilization rate in the season is only 35 %, while it is even lower in greenhouses, only 10%, and the utilization rate of phosphate fertilizer in farmland is only about 10% to 25%. How to improve the utilization rate of chemical fertilizers and reduce non-point source pollution of soil? In fact, in the final analysis, it is still due to the lack of cognitive education about carbon, hydrogen, and oxygen nutritional elements in the historical process of promoting planting technology in my country. These three elements constitute the basic material for our crops or biological existence - organic matter. For crops, the above-ground parts mainly come from their own photosynthesis, and the underground parts come from dead branches and rotten leaves year after year. , humification of underground animal carcasses and other substances.